Modularity based on abstraction is the way things ought to be done.

The best book on programming for the layman is "Alice in Wonderland"; but that's because it's the best book on anything for the layman.

无论是赏心悦目的事物，还是实实在在的东西，我们从中获取幸福的关键似乎取决于这样一个事实，那就是我们必须首先满足自己情感或心理上的一些更为重要的需求，诸如对理解、爱、宣泄和尊重的需求。《旅行的艺术》

森林的真正价值不能仅用板材英尺来衡量。